<template>
  <div class="login-container">
    <div class="overlay">
      <el-form ref="loginForm" class="login-form" auto-complete="on" label-position="left">

        <div class="title-container">
          <h3 class="title">注册</h3>
        </div>

        <el-form-item prop="tel">
          <span class="svg-container">
            <svg-icon icon-class="user" />
          </span>
          <el-input
            ref="tel"
            v-model="form.tel"
            placeholder="用户手机号"
            type="text"
            tabindex="1"
            auto-complete="on"
            maxlength="11"
          />
        </el-form-item>

        <!-- 获取验证码 -->
        <el-form-item prop="verify-code">
          <span class="svg-container">
            <svg-icon icon-class="password" />
          </span>
          <el-input
            ref="verify"
            v-model="form.smsCode"
            type="text"
            placeholder="短信验证码"
            tabindex="2"
            maxlength="6"
            auto-complete="on"
          />
          <el-button type="warning" @click="sendMobileSms" class="send-verify-btn" size="medium" round>{{ verifyText }}</el-button>
        </el-form-item>

        <!-- 图形验证码 -->
        <el-form-item prop="verify-image">
          <span class="svg-container">
            <svg-icon icon-class="password" />
          </span>
          <el-input
            ref="verify"
            type="text"
            v-model="ImageCaptha"
            placeholder="图形验证码"
            tabindex="2"
            auto-complete="on"
          />
          <img class="image" @click="getImgVerifyCode" :src="`data:image/png;base64,${ImageCodeUrl}`" width="80" height="40" alt="">
        </el-form-item>

        <el-button :loading="false" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleRegister">注册</el-button>

        <div class="tips">
          <router-link to="/login">已经有账号了？去登陆吧！</router-link>
        </div>

      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      ImageCodeUrl: '', // 图片验证码地址
      ImageCaptha: '', // 用户填的用户验证码
      ImageCode: '', // 这个应该是不需要的 暂时前端验证吧
      verifyText: '获取验证码',
      form: {
        tel: '', // 手机号
        smsCode: '' // 验证码
      }
    }
  },
  mounted() {
    this.init()
  },
  methods: {
    init() {
      this.getImgVerifyCode()
    },
    async getImgVerifyCode() {
      const result = await this.$api.getImgVerifyCode()
      this.ImageCodeUrl = result.data.image
      this.ImageCode = window.atob(result.data.code)
      console.log(window.atob(result.data.code))
    },
    // 发送验证码
    async sendMobileSms() {
      if (this.verifyText !== '获取验证码') return
      this.verifyText = '获取中...'
      const { tel } = this.form
      const { success, errMessage } = await this.$api.sendMobileSmsByRegister(tel).catch(err => {
        this.verifyText = '获取验证码'
        this.$message({
          type: 'warning',
          message: err.message || '系统繁忙，请稍后再试'
        })
        return
      })

      if (!success) {
        this.verifyText = '获取验证码'
        this.$message({
          type: 'warning',
          message: errMessage || '系统繁忙，请稍后再试'
        })
        return
      }

      let countDown = 60
      const auto = setInterval(() => {
        countDown--
        this.verifyText = `${countDown}秒`
        if (countDown <= 0) {
          clearInterval(auto)
          this.verifyText = '获取验证码'
        }
      }, 1000)
    },
    // 注册接口
    async handleRegister() {
      const { tel, smsCode } = this.form
      const { ImageCaptha, ImageCode } = this.$data
      if (!tel || !smsCode || !ImageCaptha) {
        this.$message({
          type: 'warning',
          message: `请输入正确信息`
        })
        return
      }
      if (ImageCaptha !== ImageCode) {
        this.$message({
          type: 'warning',
          message: `验证码错误`
        })
        return
      }
      const result = await this.$api.register({
        phone: tel,
        smsCode
      })
      const { phone, password } = result.data
      const confirm = await this.$alert(`注册成功,您的账号是：${phone}，您的密码是：${password}`, '提示', {
        confirmButtonText: '确定',
        type: 'warning'
      })
      if (!confirm) return
      this.$router.push({ path: '/login' })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}

.image{
    position: absolute;
    right: 10px;
    top: 0;
    top: 50%;
    transform: translateY(-50%);
}

.send-verify-btn{
    position: absolute;
    right: 10px;
    top: 0;
    top: 50%;
    transform: translateY(-50%);
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
    background: url('../../assets/images/bg.jpg') no-repeat;
    background-size: cover;
  overflow: hidden;
.overlay{
    background: linear-gradient(to bottom, rgba(5, 55, 64, 1) 0%, rgba(5, 55, 64, 0.6) 100%);
    width: 100vw;
    height: 100vh;
  }

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
      letter-spacing: 2px;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
